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It's a power suit showdown!

Kim Kardashian stepped out to dinner at Serafina in New York City last night dressed in an all-black getup underneath a tuxedo jacket with a neckline that was very, very low.

Kim's plunging V-neck top went almost down to her navel, giving her menswear-inspired outfit an extra dose of sex appeal. But Kim isn't the only one in the family to take the whole Diane Keaton-esque suit look and make it sexy.

Younger sister Kendall Jenner also stepped out in a plunging tux (sans bra) earlier this month. She showed up to her book signing with younger sister Kylie Jenner on June 3 in New York City wearing a sky blue tuxedo jacket, matching skinny pants and silver heels.

Your information may be shared with other NBCUniversal businesses and used to better tailor our services and advertising to you. For more details about how we use your information, see our Privacy Policy. If you are located outside of the U.S., your information may be transferred to, processed and used in the U.S.